Late at night, when the whole family is asleep, the sons tiptoe into their mother's bedroom. With their boiling sexual desires to themselves, the obvious thing they do is... a nighttime rape. They sneak under the futon and proceed skillfully so as not to be noticed by the other family members. By the time the mothers realize what's going on, it's too late, and they have to accept it. This book contains 20 families of mother-son incest, with the sole purpose of satisfying their sexual desires. The mothers have a wide variety of options, including breast milk, big breasts, and beautiful breasts.